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基于数据分区的动态流媒体数据调度算法 被引量：1

Dynamic Data Scheduling Algorithm for Streaming Media Based on Data Partitioning
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摘要 为了有效地提高P2P网络的流媒体服务质量,该文采用带宽动态调整策略实时地适应网络带宽的动态变化,通过对数据片断的区间划分,明确各区间数据片段的紧迫性和重要性,分别采用不同的调度策略,从而提高数据片断的实时到达率,并使数据片断具有较好的扩散性。系统测试显示节点播发具有良好的连续性和稳定性,结果表明了算法的有效性。 In order to improve the service quality of streaming media in P2P network, this paper proposes to use a dynamic adjustment strategy to meet the variation of network bandwidth on real time. Based upon the partition on data segments, the urgency and importance of each segment are clarified. The timely arrival is improved. Better diffusivity is obtained according to different scheduling strategy. The experimental results indicate that the node propagation in the system can achieve good continuity and stability, and demonstrate that this algorithm is effective.
作者 王玲 宋斌 张功萱 王平立
机构地区 南京理工大学计算机科学与技术学院
出处 《南京理工大学学报》 EI CAS CSCD 北大核心 2009年第4期417-421,共5页 Journal of Nanjing University of Science and Technology
基金 国家自然科学基金(6080300160850002)
关键词 P2P网络 流媒体 数据片断 调度策略 P2P network streaming media data segments scheduling strategy
分类号 TP393 [自动化与计算机技术—计算机应用技术]
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参考文献7

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二级参考文献25

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共引文献46

同被引文献17

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引证文献1

二级引证文献1

南京理工大学学报
2009年 第4期

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